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Finding the Third Proportional to 228,790 and 347,850

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Solution

The third proportional to 228,790 and 347,850 is: 528,867.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,790 : 347,850 = 347,850 : x
  2. Step 2: Convert to fraction form
    228,790/347,850 = 347,850/x
  3. Step 3: Cross multiply
    228,790x = 347,850 × 347,850
  4. Step 4: Simplify right side
    228,790x = 120,999,622,500
  5. Step 5: Solve for x
    x = 120,999,622,500/228,790
  6. Step 6: Final answer
    x = 528,867.62

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.